SDL (Simple DirectMedia Layer) through 2.0.12 has a heap-based buffer over-read in Blit_3or4_to_3or4__inversed_rgb in video/SDL_blit_N.c via a crafted .BMP file.
https://security.gentoo.org/glsa/202107-55
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FS32YCEJLQ2FYUWSWYI2ZMQWQEAWJNR/
https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html
https://lists.debian.org/debian-lts-announce/2021/01/msg00024.html
https://hg.libsdl.org/SDL/rev/3f9b4e92c1d9
https://bugzilla.libsdl.org/show_bug.cgi?id=5200
Source: Mitre, NVD
Published: 2021-01-19
Updated: 2025-03-20
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:P
Severity: Medium
Base Score: 5.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
EPSS: 0.00131